Which is exactly what happened. Christ came from the house of David, civilized the planet and is now known to nearly human being that walks the earth. Putting aside Christian teaching, it's a simple historical fact that it is through Christ that we bring humanity to God. Not only a historical fact but apparantly some sort of scientific dynamic.
One can't help but appreciate this author's outreached hand, it is indeed refreshing despite some of his awkward views on Catholicism.
"Which is exactly what happened."
Exactomundo! The old Israel failed to bring the blessings of the Old Covenant to all mankind so God Himself had to come as the son of David and Son of Abraham in order to get the job done through the New Covenant.
But what I find interesting in the article is that it is the first time I have seen a modern-day Jew acknowledging that this was the intended mission for the Jews at the outset.